Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Namatanai, Papua New Guinea in September
Weather score57Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 210mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
210mm
Sun
5.9h
Sea
29°C
Weather score
57
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 210mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Namatanai, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to Namatanai's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September210mm average rain
September is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsMay to July and September to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.9 hours average sun
September is close to Namatanai's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September29°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September57 weather score
September is close to Namatanai's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.